Please help me! In the first law of thermodynamics, ΔE=Q−W , what does Q stand for?

the internal energy of the system

the heat added to the system

the change in the internal energy of the system

the work done by the piston

Respuesta :

it stands for heat! (answer "B")

ΔE = q + w. q = heat

q and w can be positive (+) or negative (-); but it depends on if the "heat" is being absorbed into the system, so it can free itself from the process.

Answer:

It's B. The heat added to the system I just took the quiz

Explanation:

I'm in K12 (CAVA)